Float Zone Crystal Grower from China
Float zone crystal growers use a floating molten zone to purify and produce high-purity monocrystalline silicon ingots for semiconductor wafers. This equipment is a key accessory for machines in heading 8470, fitting HTS 8473.29.00.00 due to its principal use in semiconductor material processing.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include process flow diagrams showing integration with wafer fab lines
• Label as 'semiconductor exclusive' to prevent misclassification as lab equipment
• Watch for anti-dumping duties on high-tech imports from certain origins